What do you call a substance that undergoes a change in a chemical reaction

A buffered solution containing dissolved aniline, c6h5nh2, and aniline hydrochloride, c6h5nh3cl, has a ph of 5.75. a. determine the concentration of c6h5nh3 in the solution if the concentration of c6h5nh2 is 0.320 m. the pkb of aniline is 9.13.

Three most common alkali metals include:

What is 57.048 rounded to three significant figures?

Hiw many tons of sulfur are consumed in the production of 98 tons of sulfuric acid?

Which of the following is not one of the main areas of earth science

Iron metal has a specific heat of 0.449J/g°C. How much heat is transferred to a 5.00 a piece of iron, initially at 20.0°C, when it is placed in a beaker of boiling water at 1 atm? Use Q = mcAt formula For chemistry

Which type of change occurs when the electrons of two atoms interact to form an atomic bond?

Which of the following is considered electronically perfect? a) Potassium b) Magnesium c) Argon d) Chlorine

The area of the circular base of a can of dog food is 12.5 in. The can is 6 inches high. What is its volume?

What is the tested variable in the experiment?